Hobbywing C4 Motor Heatsink & Fan Combo

Hobbywing C4 Motor Heatsink and Fan Combo. This aluminum housing heatsink will fit any motor with a diameter of 44mm and will help dissipate heat away from the motor. 

Specifications: 
Voltage: 5V 
Size:  48 x 48 x 16mm 
Heat Sink Diameter: 44 x 66mm